:root {
  color-scheme: light;
  --navy-950: #06111f;
  --navy-900: #071426;
  --navy-800: #0d2138;
  --navy-700: #183653;
  --blue-600: #1667e8;
  --blue-500: #2f83ff;
  --cyan-400: #57d9f7;
  --cyan-200: #b8effb;
  --paper: #f3f7fb;
  --surface: #ffffff;
  --ink: #10243a;
  --muted: #5c7086;
  --line: #dbe5ee;
  --line-strong: #c7d5e2;
  --amber: #f2b744;
  --green: #15835c;
  --green-soft: #e8f7f0;
  --red: #c8414c;
  --red-soft: #fff0f1;
  --shadow-sm: 0 1px 2px rgba(6, 17, 31, 0.06), 0 8px 24px rgba(6, 17, 31, 0.05);
  --shadow-lg: 0 28px 80px rgba(3, 13, 25, 0.18);
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 26px;
  --content: 1240px;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.55;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

button,
input {
  font: inherit;
}

button {
  color: inherit;
}

button:not(:disabled),
label {
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.48;
}

::selection {
  background: var(--cyan-200);
  color: var(--navy-950);
}

.sr-only {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 10px;
  left: 10px;
  padding: 10px 14px;
  border-radius: 8px;
  background: #fff;
  color: var(--navy-950);
  font-weight: 750;
  transform: translateY(-160%);
  transition: transform 160ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

:focus-visible {
  outline: 3px solid var(--amber);
  outline-offset: 3px;
}

.loading-shell,
.noscript {
  display: flex;
  min-height: 100vh;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 24px;
  background: var(--navy-900);
  color: #fff;
}

.loading-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid rgba(87, 217, 247, 0.42);
  border-radius: 12px;
  color: var(--cyan-400);
  font-weight: 850;
  letter-spacing: -0.05em;
}

/* Start */
.start-screen {
  position: relative;
  min-height: 100vh;
  overflow: hidden;
  background:
    radial-gradient(circle at 78% 18%, rgba(47, 131, 255, 0.21), transparent 31rem),
    radial-gradient(circle at 8% 92%, rgba(87, 217, 247, 0.11), transparent 30rem),
    var(--navy-950);
  color: #fff;
}

.start-screen::before {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.034) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.034) 1px, transparent 1px);
  background-size: 52px 52px;
  content: "";
  mask-image: linear-gradient(to bottom, #000, transparent 88%);
  pointer-events: none;
}

.start-topbar {
  position: relative;
  z-index: 1;
  display: flex;
  width: min(var(--content), calc(100% - 48px));
  margin: 0 auto;
  padding: 26px 0;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.wordmark {
  display: flex;
  align-items: center;
  gap: 12px;
  color: inherit;
  font-weight: 780;
  letter-spacing: -0.02em;
}

.wordmark-mark {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border: 1px solid rgba(87, 217, 247, 0.48);
  border-radius: 11px;
  color: var(--cyan-400);
  font-size: 0.86rem;
  font-weight: 900;
  letter-spacing: -0.07em;
}

.topbar-note {
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.88rem;
}

.start-layout {
  position: relative;
  z-index: 1;
  display: grid;
  width: min(var(--content), calc(100% - 48px));
  min-height: calc(100vh - 91px);
  margin: 0 auto;
  padding: clamp(54px, 8vh, 100px) 0;
  align-items: center;
  grid-template-columns: minmax(0, 1.05fr) minmax(390px, 0.72fr);
  gap: clamp(42px, 8vw, 112px);
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 20px;
  color: var(--cyan-400);
  font-size: 0.78rem;
  font-weight: 820;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 34px;
  height: 2px;
  background: currentColor;
  content: "";
}

.start-copy h1 {
  max-width: 780px;
  margin: 0;
  font-size: clamp(3.25rem, 6.5vw, 6.2rem);
  font-weight: 780;
  letter-spacing: -0.068em;
  line-height: 0.94;
}

.start-copy h1 span {
  display: block;
  margin-top: 0.16em;
  color: var(--cyan-400);
}

.start-intro {
  max-width: 620px;
  margin: 28px 0 0;
  color: rgba(255, 255, 255, 0.68);
  font-size: clamp(1.05rem, 1.5vw, 1.22rem);
}

.start-rule {
  display: inline-flex;
  margin-top: 32px;
  align-items: center;
  gap: 10px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.92rem;
}

.start-rule svg {
  color: var(--amber);
}

.start-card {
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-lg);
  background: rgba(13, 33, 56, 0.86);
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(16px);
}

.start-card-head {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-bottom: 1px solid rgba(255, 255, 255, 0.11);
}

.exam-stat {
  padding: 22px 20px;
  border-right: 1px solid rgba(255, 255, 255, 0.11);
}

.exam-stat:last-child {
  border-right: 0;
}

.exam-stat strong {
  display: block;
  color: #fff;
  font-size: 1.38rem;
  font-weight: 780;
  letter-spacing: -0.04em;
}

.exam-stat span {
  color: rgba(255, 255, 255, 0.52);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.start-card-body {
  padding: 26px;
}

.start-card-title {
  margin: 0 0 16px;
  font-size: 0.78rem;
  font-weight: 760;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.block-list {
  display: grid;
  gap: 8px;
  margin: 0 0 24px;
  padding: 0;
  list-style: none;
}

.block-list li {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr) auto;
  gap: 10px;
  padding: 11px 12px;
  align-items: center;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.055);
}

.block-number {
  color: var(--cyan-400);
  font-size: 0.77rem;
  font-weight: 840;
}

.block-name {
  overflow: hidden;
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.86rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.block-count {
  color: rgba(255, 255, 255, 0.42);
  font-size: 0.75rem;
}

.primary-button,
.secondary-button,
.text-button,
.icon-button {
  min-height: 46px;
  border: 0;
  border-radius: 12px;
  font-weight: 760;
  transition: transform 150ms ease, background 150ms ease, border-color 150ms ease, color 150ms ease;
}

.primary-button {
  display: inline-flex;
  width: 100%;
  padding: 13px 18px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: var(--cyan-400);
  color: var(--navy-950);
}

.primary-button:hover {
  background: #7be4fa;
  transform: translateY(-1px);
}

.primary-button svg,
.secondary-button svg,
.text-button svg {
  flex: 0 0 auto;
}

.start-card-footnote {
  margin: 13px 0 0;
  color: rgba(255, 255, 255, 0.48);
  font-size: 0.78rem;
  text-align: center;
}

/* Exam */
.exam-shell {
  min-height: 100vh;
  background:
    linear-gradient(180deg, rgba(22, 103, 232, 0.045), transparent 320px),
    var(--paper);
}

.exam-header {
  position: sticky;
  z-index: 30;
  top: 0;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.93);
  box-shadow: 0 8px 24px rgba(6, 17, 31, 0.035);
  backdrop-filter: blur(14px);
}

.exam-header-row {
  display: grid;
  width: min(var(--content), calc(100% - 40px));
  min-height: 76px;
  margin: 0 auto;
  align-items: center;
  grid-template-columns: 1fr auto 1fr;
  gap: 20px;
}

.exam-brand {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 11px;
}

.exam-brand .wordmark-mark {
  border-color: rgba(22, 103, 232, 0.2);
  background: var(--navy-900);
}

.exam-brand-text {
  min-width: 0;
}

.exam-brand-text strong,
.exam-brand-text span {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.exam-brand-text strong {
  color: var(--navy-900);
  font-size: 0.93rem;
}

.exam-brand-text span {
  color: var(--muted);
  font-size: 0.75rem;
}

.header-progress {
  min-width: 205px;
  text-align: center;
}

.header-progress strong {
  display: block;
  color: var(--navy-900);
  font-size: 0.91rem;
}

.header-progress span {
  color: var(--muted);
  font-size: 0.74rem;
}

.header-actions {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 10px;
}

.timer-chip {
  display: flex;
  min-width: 96px;
  min-height: 42px;
  padding: 7px 12px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--paper);
  color: var(--navy-800);
  font-variant-numeric: tabular-nums;
  font-weight: 760;
}

.timer-chip.over-guide {
  border-color: rgba(200, 65, 76, 0.28);
  background: var(--red-soft);
  color: var(--red);
}

.header-finish {
  min-height: 42px;
  padding: 8px 15px;
  border: 1px solid var(--navy-900);
  border-radius: 10px;
  background: var(--navy-900);
  color: #fff;
  font-size: 0.88rem;
  font-weight: 760;
}

.header-finish:hover {
  background: var(--navy-700);
}

.progress-line {
  height: 3px;
  background: #e6edf4;
}

.progress-line > span {
  display: block;
  width: var(--progress, 0%);
  height: 100%;
  background: linear-gradient(90deg, var(--blue-600), var(--cyan-400));
  transition: width 220ms ease;
}

.exam-layout {
  display: grid;
  width: min(var(--content), calc(100% - 40px));
  margin: 0 auto;
  padding: 34px 0 64px;
  align-items: start;
  grid-template-columns: 278px minmax(0, 1fr);
  gap: 34px;
}

.question-navigator {
  position: sticky;
  top: 110px;
  overflow: hidden;
  border-radius: 20px;
  background: var(--navy-900);
  box-shadow: var(--shadow-sm);
  color: #fff;
}

.navigator-head {
  display: flex;
  padding: 20px 20px 15px;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.navigator-head h2 {
  margin: 0;
  font-size: 1rem;
  letter-spacing: -0.02em;
}

.navigator-head p {
  margin: 3px 0 0;
  color: rgba(255, 255, 255, 0.52);
  font-size: 0.74rem;
}

.navigator-legend {
  display: flex;
  padding: 0 20px 16px;
  gap: 15px;
  color: rgba(255, 255, 255, 0.58);
  font-size: 0.7rem;
}

.legend-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.legend-swatch {
  width: 8px;
  height: 8px;
  border: 1px solid rgba(255, 255, 255, 0.34);
  border-radius: 50%;
}

.legend-swatch.answered {
  border-color: var(--cyan-400);
  background: var(--cyan-400);
}

.legend-swatch.flagged {
  border-radius: 2px;
  background: var(--amber);
}

.navigator-blocks {
  max-height: calc(100vh - 290px);
  overflow: auto;
  padding: 0 14px 16px;
  scrollbar-color: rgba(255, 255, 255, 0.24) transparent;
  scrollbar-width: thin;
}

.navigator-block {
  padding: 14px 6px 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.09);
}

.navigator-block-title {
  display: flex;
  margin-bottom: 10px;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  color: rgba(255, 255, 255, 0.58);
  font-size: 0.7rem;
  font-weight: 720;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.question-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 6px;
}

.question-dot {
  position: relative;
  display: grid;
  aspect-ratio: 1;
  min-width: 0;
  min-height: 30px;
  padding: 0;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  background: transparent;
  color: rgba(255, 255, 255, 0.63);
  font-size: 0.69rem;
  font-weight: 720;
}

.question-dot:hover {
  border-color: rgba(87, 217, 247, 0.64);
  color: #fff;
}

.question-dot.is-answered {
  border-color: rgba(87, 217, 247, 0.36);
  background: rgba(87, 217, 247, 0.13);
  color: var(--cyan-200);
}

.question-dot.is-current {
  border-color: var(--cyan-400);
  background: var(--cyan-400);
  color: var(--navy-950);
}

.question-dot.is-flagged::after {
  position: absolute;
  top: -3px;
  right: -3px;
  width: 7px;
  height: 7px;
  border: 2px solid var(--navy-900);
  border-radius: 2px;
  background: var(--amber);
  content: "";
}

.navigator-footer {
  padding: 15px 20px 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.09);
}

.reset-link {
  padding: 0;
  border: 0;
  background: transparent;
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.76rem;
  text-decoration: underline;
  text-decoration-color: rgba(255, 255, 255, 0.22);
  text-underline-offset: 4px;
}

.reset-link:hover {
  color: #fff;
}

.question-area {
  width: min(100%, 880px);
  justify-self: center;
}

.question-topline {
  display: flex;
  margin: 0 2px 13px;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.question-position {
  color: var(--blue-600);
  font-size: 0.78rem;
  font-weight: 820;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.flag-button {
  display: inline-flex;
  min-height: 36px;
  padding: 6px 10px;
  align-items: center;
  gap: 7px;
  border: 1px solid var(--line-strong);
  border-radius: 9px;
  background: rgba(255, 255, 255, 0.74);
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 710;
}

.flag-button:hover,
.flag-button.is-flagged {
  border-color: rgba(242, 183, 68, 0.52);
  background: #fff9e9;
  color: #8d6208;
}

.question-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

.question-card-accent {
  height: 5px;
  background: linear-gradient(90deg, var(--blue-600), var(--cyan-400) 64%, transparent);
}

.question-content {
  padding: clamp(24px, 4vw, 42px);
}

.topic-tags {
  display: flex;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 7px;
}

.topic-tag {
  display: inline-flex;
  min-height: 28px;
  padding: 5px 9px;
  align-items: center;
  border: 1px solid #d7e7fb;
  border-radius: 999px;
  background: #f3f8ff;
  color: #285a96;
  font-size: 0.72rem;
  font-weight: 700;
}

.topic-tag.secondary {
  border-color: var(--line);
  background: #f7f9fb;
  color: var(--muted);
}

.question-title {
  margin: 0;
  color: var(--navy-900);
  font-size: clamp(1.28rem, 2.2vw, 1.72rem);
  font-weight: 680;
  letter-spacing: -0.028em;
  line-height: 1.38;
}

.options {
  display: grid;
  gap: 11px;
  margin: 30px 0 0;
  padding: 0;
  border: 0;
}

.option {
  position: relative;
  display: grid;
  min-height: 62px;
  padding: 13px 16px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fbfdff;
  grid-template-columns: 36px minmax(0, 1fr);
  gap: 13px;
  transition: border-color 150ms ease, background 150ms ease, box-shadow 150ms ease, transform 150ms ease;
}

.option:hover {
  border-color: #a7c7eb;
  background: #f7fbff;
  transform: translateY(-1px);
}

.option:has(input:focus-visible) {
  outline: 3px solid var(--amber);
  outline-offset: 3px;
}

.option input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.option-letter {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  background: #fff;
  color: var(--navy-700);
  font-size: 0.8rem;
  font-weight: 820;
}

.option-text {
  color: #263d53;
  font-size: 0.98rem;
  line-height: 1.45;
}

.option.is-selected {
  border-color: var(--blue-500);
  background: #f0f7ff;
  box-shadow: 0 0 0 1px rgba(47, 131, 255, 0.12);
}

.option.is-selected .option-letter {
  border-color: var(--blue-600);
  background: var(--blue-600);
  color: #fff;
}

.question-footer {
  display: grid;
  margin-top: 20px;
  align-items: center;
  grid-template-columns: 1fr auto 1fr;
  gap: 12px;
}

.secondary-button {
  display: inline-flex;
  width: fit-content;
  min-width: 116px;
  padding: 10px 15px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid var(--line-strong);
  background: #fff;
  color: var(--navy-800);
}

.secondary-button:hover:not(:disabled) {
  border-color: #9bb9d5;
  background: #f8fbfe;
}

.next-button {
  justify-self: end;
}

.question-shortcut {
  color: #8090a0;
  font-size: 0.72rem;
  text-align: center;
}

.mobile-nav-trigger {
  display: none;
}

/* Dialogs */
.app-dialog {
  width: min(92vw, 500px);
  padding: 0;
  border: 0;
  border-radius: 22px;
  background: #fff;
  box-shadow: 0 28px 90px rgba(2, 10, 20, 0.32);
  color: var(--ink);
}

.app-dialog::backdrop {
  background: rgba(4, 14, 27, 0.68);
  backdrop-filter: blur(4px);
}

.dialog-body {
  padding: 28px;
}

.dialog-kicker {
  margin: 0 0 9px;
  color: var(--blue-600);
  font-size: 0.72rem;
  font-weight: 820;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.dialog-body h2 {
  margin: 0;
  color: var(--navy-900);
  font-size: 1.52rem;
  letter-spacing: -0.035em;
}

.dialog-body p {
  margin: 10px 0 0;
  color: var(--muted);
}

.dialog-actions {
  display: flex;
  padding: 17px 28px 24px;
  justify-content: flex-end;
  gap: 10px;
}

.dialog-actions .primary-button,
.dialog-actions .secondary-button {
  width: auto;
}

.navigator-dialog {
  width: min(94vw, 520px);
  max-height: min(86vh, 760px);
  padding: 0;
  border: 0;
  border-radius: 22px;
  background: var(--navy-900);
  color: #fff;
}

.navigator-dialog::backdrop {
  background: rgba(4, 14, 27, 0.66);
}

.navigator-dialog .navigator-blocks {
  max-height: 62vh;
}

.navigator-dialog-close {
  display: grid;
  width: 36px;
  height: 36px;
  padding: 0;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 10px;
  background: transparent;
  color: #fff;
}

/* Results */
.results-page {
  min-height: 100vh;
  padding-bottom: 80px;
  background:
    linear-gradient(180deg, var(--navy-950) 0 330px, transparent 330px),
    var(--paper);
}

.results-header {
  display: flex;
  width: min(var(--content), calc(100% - 40px));
  min-height: 82px;
  margin: 0 auto;
  align-items: center;
  justify-content: space-between;
  color: #fff;
}

.results-header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.header-text-button {
  min-height: 40px;
  padding: 7px 12px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.06);
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.82rem;
  font-weight: 700;
}

.header-text-button:hover {
  border-color: rgba(255, 255, 255, 0.34);
  color: #fff;
}

.results-main {
  width: min(1080px, calc(100% - 40px));
  margin: 24px auto 0;
}

.score-card {
  display: grid;
  overflow: hidden;
  min-height: 290px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-lg);
  grid-template-columns: 0.8fr 1.2fr;
}

.score-hero {
  display: flex;
  padding: 38px;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(circle at 10% 10%, rgba(87, 217, 247, 0.18), transparent 17rem),
    var(--navy-800);
  color: #fff;
}

.score-dial {
  --score-angle: 0deg;
  position: relative;
  display: grid;
  width: 190px;
  aspect-ratio: 1;
  place-items: center;
  border-radius: 50%;
  background: conic-gradient(var(--cyan-400) var(--score-angle), rgba(255, 255, 255, 0.12) 0);
}

.score-dial::before {
  position: absolute;
  width: 154px;
  aspect-ratio: 1;
  border-radius: 50%;
  background: var(--navy-800);
  content: "";
}

.score-dial-content {
  position: relative;
  text-align: center;
}

.score-dial strong {
  display: block;
  font-size: 3.25rem;
  font-weight: 790;
  letter-spacing: -0.07em;
  line-height: 1;
}

.score-dial span {
  color: rgba(255, 255, 255, 0.58);
  font-size: 0.75rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.score-details {
  padding: 38px clamp(28px, 5vw, 56px);
}

.score-details .eyebrow {
  margin-bottom: 13px;
  color: var(--blue-600);
}

.score-details h1 {
  margin: 0;
  color: var(--navy-900);
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: -0.055em;
  line-height: 1.05;
}

.score-details > p {
  max-width: 560px;
  margin: 14px 0 0;
  color: var(--muted);
}

.score-stats {
  display: grid;
  margin-top: 28px;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.score-stat {
  padding: 13px 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #f8fbfe;
}

.score-stat strong {
  display: block;
  color: var(--navy-900);
  font-size: 1.18rem;
  letter-spacing: -0.03em;
}

.score-stat span {
  color: var(--muted);
  font-size: 0.73rem;
}

.results-section {
  margin-top: 26px;
  padding: clamp(22px, 4vw, 34px);
  border: 1px solid var(--line);
  border-radius: 22px;
  background: #fff;
  box-shadow: var(--shadow-sm);
}

.section-heading-row {
  display: flex;
  margin-bottom: 20px;
  align-items: flex-end;
  justify-content: space-between;
  gap: 18px;
}

.section-heading-row h2 {
  margin: 0;
  color: var(--navy-900);
  font-size: 1.35rem;
  letter-spacing: -0.035em;
}

.section-heading-row p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 0.86rem;
}

.breakdown-table-wrap {
  overflow-x: auto;
}

.breakdown-table {
  width: 100%;
  border-collapse: collapse;
}

.breakdown-table th,
.breakdown-table td {
  padding: 13px 12px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: middle;
}

.breakdown-table th {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 750;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.breakdown-table td {
  font-size: 0.9rem;
}

.breakdown-table tr:last-child td {
  border-bottom: 0;
}

.block-cell strong,
.block-cell span {
  display: block;
}

.block-cell strong {
  color: var(--navy-900);
}

.block-cell span {
  max-width: 590px;
  overflow: hidden;
  color: var(--muted);
  font-size: 0.76rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.mini-meter {
  width: 120px;
  height: 7px;
  overflow: hidden;
  border-radius: 99px;
  background: #e7edf3;
}

.mini-meter span {
  display: block;
  width: var(--meter, 0%);
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--blue-600), var(--cyan-400));
}

.review-tools {
  position: sticky;
  z-index: 20;
  top: 10px;
  display: flex;
  margin-top: 28px;
  padding: 11px;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(12px);
}

.review-tools h2 {
  margin: 0 0 0 5px;
  color: var(--navy-900);
  font-size: 1rem;
}

.filter-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.filter-button {
  min-height: 38px;
  padding: 7px 12px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: #fff;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 720;
}

.filter-button:hover,
.filter-button.is-active {
  border-color: var(--navy-800);
  background: var(--navy-800);
  color: #fff;
}

.review-list {
  display: grid;
  gap: 18px;
  margin-top: 18px;
}

.review-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: #fff;
  box-shadow: var(--shadow-sm);
}

.review-card.is-correct {
  border-top: 4px solid var(--green);
}

.review-card.is-incorrect,
.review-card.is-unanswered {
  border-top: 4px solid var(--red);
}

.review-card-head {
  display: flex;
  padding: 22px clamp(20px, 4vw, 32px) 0;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
}

.review-meta {
  color: var(--blue-600);
  font-size: 0.74rem;
  font-weight: 810;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.answer-status {
  display: inline-flex;
  min-height: 29px;
  padding: 5px 9px;
  align-items: center;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 770;
}

.answer-status.correct {
  background: var(--green-soft);
  color: #0d6948;
}

.answer-status.incorrect,
.answer-status.unanswered {
  background: var(--red-soft);
  color: #aa303b;
}

.review-content {
  padding: 16px clamp(20px, 4vw, 32px) 28px;
}

.review-question {
  margin: 0;
  color: var(--navy-900);
  font-size: 1.08rem;
  font-weight: 670;
  line-height: 1.48;
}

.review-options {
  display: grid;
  gap: 8px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.review-option {
  display: grid;
  padding: 10px 12px;
  align-items: start;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: #fbfdff;
  grid-template-columns: 29px minmax(0, 1fr) auto;
  gap: 10px;
  color: #43586c;
  font-size: 0.9rem;
}

.review-option-letter {
  display: grid;
  width: 27px;
  height: 27px;
  place-items: center;
  border-radius: 8px;
  background: #edf2f7;
  color: var(--navy-700);
  font-size: 0.72rem;
  font-weight: 810;
}

.review-option.correct-answer {
  border-color: rgba(21, 131, 92, 0.35);
  background: var(--green-soft);
  color: #14583f;
}

.review-option.correct-answer .review-option-letter {
  background: var(--green);
  color: #fff;
}

.review-option.wrong-answer {
  border-color: rgba(200, 65, 76, 0.32);
  background: var(--red-soft);
  color: #8f3039;
}

.review-option.wrong-answer .review-option-letter {
  background: var(--red);
  color: #fff;
}

.option-note {
  align-self: center;
  color: currentColor;
  font-size: 0.7rem;
  font-weight: 760;
  white-space: nowrap;
}

.explanation {
  display: grid;
  margin-top: 22px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.explanation-block h3 {
  margin: 0 0 7px;
  color: var(--navy-900);
  font-size: 0.78rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.explanation-block p {
  margin: 0;
  color: #52677a;
  font-size: 0.89rem;
}

.source-note {
  margin: 18px 0 0;
  padding: 10px 12px;
  border-left: 3px solid var(--cyan-400);
  background: #f4f9fc;
  color: #607486;
  font-size: 0.8rem;
}

.empty-review {
  padding: 44px 20px;
  border: 1px dashed var(--line-strong);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.62);
  color: var(--muted);
  text-align: center;
}

@media (max-width: 980px) {
  .start-layout {
    grid-template-columns: 1fr;
  }

  .start-copy h1 {
    max-width: 700px;
  }

  .start-card {
    width: min(100%, 650px);
  }

  .exam-layout {
    grid-template-columns: 1fr;
  }

  .question-navigator {
    display: none;
  }

  .mobile-nav-trigger {
    display: inline-flex;
    min-height: 42px;
    padding: 8px 12px;
    align-items: center;
    gap: 7px;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: #fff;
    color: var(--navy-800);
    font-size: 0.8rem;
    font-weight: 730;
  }
}

@media (max-width: 760px) {
  .exam-header-row {
    min-height: 68px;
    grid-template-columns: 1fr auto;
  }

  .header-progress {
    display: none;
  }

  .exam-brand-text span,
  .header-finish {
    display: none;
  }

  .score-card {
    grid-template-columns: 1fr;
  }

  .score-hero {
    min-height: 250px;
  }

  .explanation {
    grid-template-columns: 1fr;
  }

  .review-tools {
    position: static;
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 560px) {
  .start-topbar,
  .start-layout,
  .exam-header-row,
  .exam-layout,
  .results-header,
  .results-main {
    width: min(100% - 28px, var(--content));
  }

  .start-topbar {
    padding: 18px 0;
  }

  .topbar-note {
    display: none;
  }

  .start-layout {
    min-height: calc(100vh - 75px);
    padding: 44px 0;
    gap: 40px;
  }

  .start-copy h1 {
    font-size: clamp(3rem, 15vw, 4.7rem);
  }

  .start-intro {
    font-size: 1rem;
  }

  .start-card-head {
    grid-template-columns: 1fr 1fr;
  }

  .exam-stat:last-child {
    display: none;
  }

  .exam-stat:nth-child(2) {
    border-right: 0;
  }

  .start-card-body {
    padding: 20px;
  }

  .block-name {
    font-size: 0.8rem;
  }

  .exam-header-row {
    gap: 10px;
  }

  .exam-brand-text strong {
    max-width: 110px;
  }

  .timer-chip {
    min-width: 83px;
    padding-inline: 9px;
  }

  .mobile-nav-trigger span {
    display: none;
  }

  .exam-layout {
    padding: 22px 0 46px;
  }

  .question-content {
    padding: 21px 17px 23px;
  }

  .topic-tags {
    margin-bottom: 16px;
  }

  .topic-tag {
    max-width: 100%;
  }

  .option {
    min-height: 58px;
    padding: 11px 12px;
    grid-template-columns: 33px minmax(0, 1fr);
    gap: 10px;
  }

  .option-text {
    font-size: 0.93rem;
  }

  .question-footer {
    grid-template-columns: 1fr 1fr;
  }

  .question-shortcut {
    display: none;
  }

  .secondary-button {
    width: 100%;
    min-width: 0;
  }

  .results-page {
    background: linear-gradient(180deg, var(--navy-950) 0 385px, transparent 385px), var(--paper);
  }

  .results-header {
    min-height: 74px;
  }

  .results-header .exam-brand-text {
    display: none;
  }

  .header-text-button span {
    display: none;
  }

  .results-main {
    margin-top: 14px;
  }

  .score-details {
    padding: 28px 21px;
  }

  .score-stats {
    grid-template-columns: 1fr 1fr;
  }

  .score-stat:last-child {
    grid-column: 1 / -1;
  }

  .results-section {
    padding: 20px 16px;
  }

  .breakdown-table th:nth-child(3),
  .breakdown-table td:nth-child(3) {
    display: none;
  }

  .review-card-head {
    padding: 18px 16px 0;
  }

  .review-content {
    padding: 13px 16px 22px;
  }

  .review-option {
    grid-template-columns: 28px minmax(0, 1fr);
  }

  .option-note {
    grid-column: 2;
  }

  .dialog-actions {
    align-items: stretch;
    flex-direction: column-reverse;
  }

  .dialog-actions .primary-button,
  .dialog-actions .secondary-button {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}

@media print {
  body,
  .results-page {
    background: #fff !important;
  }

  .results-header-actions,
  .review-tools,
  .dialog-actions {
    display: none !important;
  }

  .results-header {
    min-height: 54px;
    color: #111;
  }

  .results-header .wordmark-mark {
    border-color: #111;
    color: #111;
  }

  .score-card,
  .results-section,
  .review-card {
    box-shadow: none;
  }

  .review-card {
    break-inside: avoid;
  }

  .score-hero {
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }
}